CN212018756U - Wood chip rinsing equipment for producing density board - Google Patents

Abstract

The utility model relates to a wood chip rinsing device for producing density boards, which belongs to the technical field of density board production. The technical scheme is: a rinsing water tank (6) and a scraper chain device are arranged on the frame (8), and a scraper slag extractor (7) is also arranged on the frame (8); The orifice plate (30) under the scraper chain group 1 (2) falls, and the impurities and sediment are separated out by the scraper slag extractor (7) under the slag collecting bucket (14); The scraper chain device is transported to the next process for dehydration treatment. The beneficial effects of the utility model are as follows: the working energy consumption of the whole machine is low; the water can be recycled; the equipment occupies a small space and is easy to operate;

Description

A wood chip rinsing equipment for producing MDF

technical field

The utility model relates to a wood chip rinsing equipment for the production of density boards, which is used to solve the problem that after the waste formwork and waste furniture are crushed into small wood chips, the wood chips are washed with water due to the requirements of the production process of the density board, and the cement blocks with a specific gravity greater than that of the wood chips, Impurities such as iron nails, glass, and sediments such as broken sawdust and dust are separated, so that the rinsed wood chips meet the requirements of the production process of MDF, which belongs to the technical field of MDF production.

Background technique

In the production of MDF, the raw materials used include waste formwork and waste furniture. After crushing this type of wood into small wood chips, the wood chips are washed with water, and the cement blocks, iron nails, glass and other impurities with a specific gravity larger than the wood chips, as well as broken sawdust are removed. , dust and other sediments are separated out, so that the rinsed wood chips meet the requirements of the MDF production process. In the MDF raw material processing workshop, due to the requirements of the production process, in order to produce raw materials that meet the MDF requirements, a long production line is often required in the layout of the workshop production equipment to arrange various dust removal, impurity removal, iron removal, water washing, etc. Equipment, not only the production energy consumption is high, but also the production process is cumbersome and occupies a large area. There is an urgent need in the art for a new type of equipment and method with low energy consumption, small footprint, and integration of water washing and impurity removal functions.

Utility model content

The purpose of the utility model is to provide a wood chip rinsing equipment for the production of MDF, which has low production energy consumption, small footprint, and is a new type of equipment that can integrate the functions of water washing and impurity removal, and solves the above problems existing in the background technology.

The technical scheme of the present utility model is:

A wood chip rinsing device for producing MDF, comprising a scraper chain device, a rinsing water tank, a scraper slag extractor and a frame; the frame is provided with a rinsing water tank and a scraper chain device, and the rinsing water tank is composed of a water tank body, a feeding cone The upper part of the water tank body is provided with a feeding cone, and the lower part is provided with a slag collection hopper. The orifice plate is inclined in the water tank body. Bottom; the scraper chain device includes a driving sprocket set, a scraper chain set 1, a driven sprocket set and a wood chip scraper; the driving sprocket set is set on the top of the frame above the rinsing water tank, and the driven sprocket set is set on the In the rinsing water tank, the driving sprocket set and the driven sprocket set are connected by an annular scraper chain set 1, the scraper chain set 1 is provided with a plurality of wood chip scrapers, and the wood chip scraper is an arc structure, The wood chip scraper is densely covered with leaking holes, and the wood chip scraper at the bottom of the annular scraper chain group 1 matches the orifice plate; the water tank body is square, and the width of the wood chip scraper is slightly smaller than the width of the water tank body and the orifice plate; the rack There is also a scraper slag machine on the top, which includes a passive wheel group, a steering wheel group, a slag machine slot, a driving wheel group, a slag scraper and a scraper chain group two; the slag machine slot is composed of a structure It consists of the same straight line segment and oblique line segment. The straight line segment is located below the slag collection bucket, and the end of the oblique line segment is higher than the water surface of the rinsing water tank; the passive wheel set is set in the straight line segment, the driving wheel set is set in the oblique line The second group of scraper chain is connected with the driving wheel group by the second ring scraper chain group. The second bottom slag scraper matches the bottom of the slag machine slot, and the width of the slag scraper is slightly smaller than the width of the slag machine slot; there is a steering wheel set at the connection between the straight line section and the oblique line section.

The scraper chain group 1 of the scraper chain device adopts a roller chain to drive a plurality of wood chip scrapers with an arc structure. The wood chip scraper is made of steel plate. The ends are welded on the scraper chain group 1, and a plurality of water leakage holes are punched out on the wood scraper to reduce the transportation resistance. The rinsing water tank is provided with a chain support wheel set 1, and the chain support wheel set 1 holds up the chain on the upper part of the annular scraper chain set 1 to prevent the chain on the upper part of the scraper chain set 1 from sagging and affecting the chain on the lower part of the scraper chain set. run. A chain pressing wheel set is installed at the lower chain of the scraper chain set to change the transport direction of the scraper chain set 1, so that the wood chip scraper at the bottom of the annular scraper chain set 1 is closely attached to the orifice plate. A drive reduction motor is installed on the frontmost driving sprocket group. A chain tensioning device is installed at both ends of the support bearing seat of the drive reduction motor, which is used to tighten the scraper chain group 1 to prevent the chain from being too loose and derailing. There is a main drive support frame on the frame, and a drive reduction motor is installed on the main drive support frame. The main drive support frame is made of H-shaped steel, which is light in weight and has good force bearing effect.

The rinsing water tank is a welded part of steel structure, the feeding cone is in the form of a round place, the upper inlet is round, and the lower outlet is square, which can not only receive and transport a large amount of wood chips, but also be perfect with the square water tank body. Combined together, beautiful appearance, economical and practical. An orifice plate is installed in the middle of the water tank body below the scraper chain group, which is used to drop the impurities and other sediments in the wood chips after washing down through the orifice plate and enter the slag collection hopper. The slag collection hopper is at the bottom of the rinsing water. The cross section is an isosceles trapezoid structure, which is used to collect the impurities falling from the orifice plate into the slag machine groove of the scraper slag machine, and transport it to the outside of the rinsing water tank by the scraper slag machine.

The scraper scraper adopts the scraper chain group 2 of the circular chain structure to drive the slag scraper drive. The slag scraper is welded with steel plates and is welded on the scraper chain group 2, on the side of the slag scraper slot. The second chain supporting wheel group is installed; the inclined line section of the slag machine groove is inclined at 50°, and the steering wheel group is installed at the corners of the straight line section and the inclined line section to change the transportation direction of the second scraper chain group. The oblique line section of the slag machine slot is welded on the frame through the connecting piece, and the cycloidal pinwheel deceleration motor is installed on the connecting piece. , The slag scraper is in close contact with the bottom plate of the slag machine, scrapes out all the impurities at the bottom of the slag collection bucket, and transports it to the outside of the rinsing water tank for unified treatment. Because the slag outlet is higher than the water surface of the rinsing water tank, no water will appear. Overflow phenomenon through the slag outlet. Two chain tensioning devices are installed at both ends of the transmission sprocket set for tightening the second scraper chain set.

The wood chip scraper is made of steel plate, the front end is curved at 90 degrees and then attached to the orifice plate, and the rear end is welded on the scraper chain group 1, and a plurality of water leakage holes are punched out on the wood chip scraper to reduce transportation resistance; The wood chip scraper scrapes the clean wood chips on the orifice plate and transports them to the outside of the rinsing water tank.

The beneficial effects of the utility model are as follows: the energy consumption of the whole machine is low; the water can be recycled; the equipment occupies a small space and is easy to operate;

Description of drawings

Fig. 1 is the general assembly schematic diagram of the utility model;

Fig. 2 is the left side schematic diagram of the utility model;

3 is a schematic diagram of the rinsing water tank of the present invention;

4 is a schematic diagram of a right side view of the rinsing water tank of the present invention;

5 is a schematic diagram of the scraper scraper of the present invention;

Figure 6 is a schematic top view of the scraper scraper of the present invention;

In the picture: Drive sprocket set 1, scraper chain set 1 2 (roller chain), carrier sprocket set 1 3, pressure sprocket set 4, driven sprocket set 5, rinse water tank 6, scraper slag extractor 7. Frame 8, wood chip scraper 9, water leakage hole 10, main transmission support frame 11, water tank body 12, feeding cone 13, slag collecting hopper 14, passive wheel set 21, steering wheel set 22, slag discharge Machine slot 23, supporting sprocket set 2 24, cycloidal pinwheel gear motor 25, transmission sprocket set 26, driving wheel set 27, slag scraper 28, scraper chain set 2 29 (circular chain), orifice plate 30. Drive the deceleration motor 31 and the connecting piece 32.

Detailed ways

Below in conjunction with the accompanying drawings, the present utility model will be further described through embodiments.

A wood chip rinsing equipment for producing MDF, comprising a scraper chain device, a rinsing water tank 6, a scraper slag extractor 7 and a frame 8; the frame 8 is provided with a rinsing water tank 6 and a scraper chain device, and the rinsing water tank 6 consists of The water tank body 12, the feeding cone 13, the orifice plate 30 and the slag collecting hopper 14 are composed. The upper part of the water tank body 12 is provided with a feeding cone 13, and the lower part is provided with a slag collecting hopper 14, and the orifice plate 30 is inclined at the In the water tank body 12, the slag collecting bucket 14 is located below the orifice plate 30; the scraper chain device includes a driving sprocket set 1, a scraper chain set 1 2, a driven sprocket set 5 and a wood chip scraper 9; The sprocket set 1 is arranged on the top of the frame 8 above the rinsing water tank 6, the driven sprocket set 5 is set in the rinsing water tank 6, and an annular scraper chain passes between the driving sprocket set 1 and the driven sprocket set 5. Group one 2 is connected, the scraper chain group one 2 is provided with a plurality of wood chip scrapers 9, the wood chip scraper 9 is an arc structure, the wood chip scraper 9 is densely covered with water leakage holes 10, and the annular scraper chain group one 2 The wood chip scraper at the bottom matches the orifice plate 30; the water tank body 12 is square, and the width of the wood chip scraper 9 is slightly smaller than the width of the water tank body 12 and the orifice plate 30; the rack 8 is also provided with a scraper scraper 7. The scraper slag machine 7 includes a passive wheel group 21, a steering wheel group 22, a slag machine groove 23, a driving wheel group 27, a slag scraper 28 and a scraper chain group 2 29; the slag machine groove 23 is composed of a structure The same straight line segment and oblique line segment are formed, the straight line segment is located below the slag collecting bucket 14, and the terminal end of the oblique line segment is higher than the water surface of the rinsing water tank 6; the passive wheel group 21 is arranged in the straight line segment, and the driving wheel group 27 is arranged in the oblique line segment. Inside, the driven wheel group 21 and the driving wheel group 27 are connected by an annular scraper chain group 2 29, the scraper chain group 2 29 is located in the slag machine groove 23, and the scraper chain group 2 29 is provided with a plurality of outlet chains. The slag scraper 28, the slag scraper 28 at the bottom of the annular scraper chain group 29 matches the bottom of the slag machine slot 23, and the width of the slag scraper 28 is slightly smaller than the width of the slag machine slot 23; A steering wheel set 22 is provided at the connection of the line segments.

The scraper chain group 1 2 of the scraper chain device adopts a roller chain to drive a plurality of wood chip scrapers 9 with an arc structure. Fitting, the rear end is welded on the scraper chain group 1 2, and a plurality of water leakage holes are punched out on the wood chip scraper 9 to reduce the transportation resistance. The rinsing water tank 6 is provided with a supporting chain wheel group 1 3, and the chain supporting wheel group 1 3 holds up the chain on the upper part of the annular scraper chain group 1 2, so as to prevent the chain on the upper part of the scraper chain group 1 2 from sagging and affecting the scraper chain. The chain in the lower part of group one 2 runs. A chain pressing wheel group 4 is installed at the chain at the lower part of the scraper chain group 1 2 to change the transport direction of the scraper chain group 1 2, so that the wood chip scraper at the bottom of the annular scraper chain group 1 2 closely adheres to the orifice plate 30 combine. A drive reduction motor 31 is attached to the frontmost drive sprocket group 1 . A chain tensioning device 1 is installed at both ends of the support bearing seat of the driving deceleration motor 31 to tighten the scraper chain group 1 2 to prevent the chain from being too loose and derailing. The frame 8 is provided with a main transmission support frame 11 on which a drive reduction motor 31 is installed. The main transmission support frame 11 is made of H-shaped steel, which is light in weight and has a good force bearing effect.

The rinsing water tank is a welded piece of steel structure, the feeding cone 13 is in the form of a round place, the upper inlet is circular, and the lower outlet is square. 12 perfectly combined, beautiful appearance, economical and practical. An orifice plate 30 is installed in the middle of the water tank body 12 at a position below the scraper chain group 1 2, which is used to drop the impurities and other sediments in the wood chips after washing down through the orifice plate and enter the slag collection hopper, and the slag collection hopper 14 is rinsed. The bottom of the water is an isosceles trapezoid structure, which is used to collect the impurities falling from the orifice plate 30 into the slag machine groove 23 of the scraper scraper, and transport it to the outside of the rinsing water tank by the scraper scraper.

The scraper slag extractor adopts the scraper chain group 29 of the circular chain structure to drive the slag scraper scraper 28 to drive, and the slag scraper scraper 28 is welded with steel plates and welded on the scraper chain group two 29. The side of the slag machine trough 23 is installed with a second chain wheel group 24; the inclined line of the slag machine trough 23 is inclined at an angle of 50°, and a steering wheel group 22 is installed at the corners of the straight line and the slanted line segment, so as to change the scraper chain group 2 29 Shipping direction. The oblique line section of the slag tapping machine slot 23 is welded on the frame 8 through the connecting piece 32. The connecting piece 32 is installed with a cycloidal pinwheel deceleration motor 25, and the cycloidal pinwheel deceleration motor 25 is connected with the driving wheel set 27 through the transmission sprocket group 26. Connect, drive the scraper chain group 2 29, the slag scraper 28 is in close contact with the bottom plate of the slag machine tank 23, scrapes out all the impurities at the bottom of the slag collecting bucket 14, and transports it to the outside of the rinsing water tank for unified treatment, because the slag is discharged The mouth is higher than the water surface of the rinsing water tank, so there will be no overflow of water through the slag outlet. Two chain tensioning devices are installed at both ends of the transmission sprocket set for tightening the second scraper chain set.

The use method of the present invention comprises the following steps:

Water is injected into the rinsing water tank, and due to the cyclic rotation of the scraper chain group 2 29 in the scraper slag extractor 7, a part of the water in the rinsing water tank will flow out from here, and continuously flow to the rinsing water tank through the feeding cone 13 on the rinsing water tank Water is added inside; the wood chips used for the production of MDF are transported to the top of the feeding cone 13 of the rinsing water tank by the belt conveyor, and fall into the feeding cone of the rinsing water tank; The wood chip scraper 9 on the group 1 scrapes the wood chips floating on the water surface of the rinsing water tank 6 to the water for full washing, and the dust particles on the wood chips are cleaned, and the impurities and sediments with a density greater than that of the wood chips (including cement blocks, iron nails) are cleaned. , glass, etc., and broken sawdust, dust, etc.) fall through the orifice plate 30 under the scraper chain group 1 2 and enter the slag collecting hopper 14; And the sediment is separated out; the cleaned wood chips are transported by the scraper chain device to the next process for dehydration treatment.

The scraper scraper 7 in the slag collecting hopper 14 at the bottom of the rinsing water tank is closely matched with the slag collecting hopper 14 to minimize the outflow of water in the rinsing water tank. The water flowing out from the bottom of the rinsing water tank can also be collected and returned to the feeding cone 13 at the top of the rinsing water tank for recycling.

The wood chip scraper 9 is made of steel plate, the front end is curved at 90 degrees and then fits with the orifice plate 30, and the rear end is welded on the scraper chain group 1 2, and a plurality of water leakage holes are punched out on the wood chip scraper 9 to prevent water leakage. Reduce transportation resistance; the wood chip scraper 9 scrapes up the clean wood chips on the orifice plate 30 and transports them to the outside of the rinsing water tank 6 .

The scraper chain device, as the main mechanism for conveying the washed wood chips, adopts two sets of sprocket mechanisms, the active sprocket set and the driven sprocket set, for transmission, which can effectively prevent de-chaining. The wheel set supports the chain, so that the entire scraper chain device is driven by rolling friction, which greatly reduces the running resistance, and maintains a small gap between the wood chip scraper and the orifice plate, generally controlled within 10mm, which can effectively remove the wood chips The impurities and sediments leak into the slag collection hopper below through the orifice plate. The driving gear motor is installed on the driving sprocket group, and it is equipped with a frequency converter. The appropriate conveying speed can be selected according to the actual work needs. A chain tensioning device 1 is installed at the end to regularly tighten the scraper chain group 1.

The rinsing water tank is a welded piece of steel structure, which is the carrier of the entire equipment mechanism. The water tank body is required to have a certain strength and tightness to prevent water leakage (the internal water storage capacity is greater than 20 cubic meters), and the water should be replenished continuously during the working process.

The scraper slag extractor can adopt a non-stop continuous working mechanism for a production line with a large amount of washed wood chips, while for a production line with a small amount of washed wood chips, an intermittent working mechanism can be adopted, and the operation is relatively simple. Press the button, and place a collection box at the slag outlet to collect the impurities conveyed by the slag scraper.

The utility model is used for the cleaning of waste formwork and waste furniture after the wood is pulverized into small wood chips, so as to be the raw material required for the regenerated synthetic board. The water washing function is integrated, and the water resources can be recycled, which meets the current production needs of energy saving and consumption reduction, and can be widely used in the wood processing industry.

Claims (6)

1. A production wood chip rinsing equipment for density board which characterized in that: comprises a scraper chain device, a rinsing water tank (6), a scraper slag extractor (7) and a frame (8); a rinsing water tank (6) and a scraper chain device are arranged on the rack (8), the rinsing water tank (6) consists of a water tank body (12), a feeding conical hopper (13), a pore plate (30) and a slag-tapping collecting hopper (14), the feeding conical hopper (13) is arranged at the upper part of the water tank body (12), the slag-tapping collecting hopper (14) is arranged at the lower part of the water tank body (12), the pore plate (30) is obliquely arranged in the water tank body (12), and the slag-tapping collecting hopper (14) is positioned below the pore plate (30); the scraper chain device comprises a driving chain wheel set (1), a first scraper chain set (2), a driven chain wheel set (5) and a wood chip scraper (9); the driving chain wheel set (1) is arranged at the top of the upper portion of the rack (8) above the rinsing water tank (6), the driven chain wheel set (5) is arranged in the rinsing water tank (6), the driving chain wheel set (1) is connected with the driven chain wheel set (5) through an annular scraper chain set I (2), a plurality of wood chip scrapers (9) are arranged on the scraper chain set I (2), the wood chip scrapers (9) are of arc structures, water leakage holes (10) are densely distributed in the wood chip scrapers (9), and the wood chip scrapers at the bottom of the annular scraper chain set I (2) are matched with the pore plate (30); the water tank body (12) is square, and the width of the wood chip scraper (9) is slightly smaller than that of the water tank body (12) and the pore plate (30); a scraper slag extractor (7) is also arranged on the rack (8), and the scraper slag extractor (7) comprises a driven wheel set (21), a steering wheel set (22), a slag extractor groove (23), a driving wheel set (27), a slag-discharging scraper (28) and a scraper chain set II (29); the slag extractor groove (23) consists of a straight line section and an oblique line section which have the same structure, the straight line section is positioned below the slag collection hopper (14), and the terminal end of the oblique line section is higher than the water surface of the rinsing water tank (6); the driven wheel set (21) is arranged in a straight line segment, the driving wheel set (27) is arranged in an oblique line segment, the driven wheel set (21) is connected with the driving wheel set (27) through an annular scraper chain set II (29), the scraper chain set II (29) is positioned in the slag extractor groove (23), a plurality of slag-discharging scrapers (28) are arranged on the scraper chain set II (29), the slag-discharging scrapers (28) at the bottom of the annular scraper chain set II (29) are matched with the bottom of the slag extractor groove (23), and the width of the slag-discharging scrapers (28) is slightly smaller than that of the slag extractor groove (23); a steering wheel set (22) is arranged at the joint of the straight line section and the oblique line section.

2. The wood chip rinsing equipment for density board production according to claim 1 wherein: a scraper chain group I (2) of the scraper chain device adopts a roller chain to drive a plurality of wood chip scrapers (9) with arc structures for transmission, the wood chip scrapers (9) are made of steel plates, the front ends of the wood chip scrapers are bent by 90 degrees and then attached to a pore plate (30), the rear ends of the wood chip scrapers are welded to the scraper chain group I (2), and a plurality of water leakage holes are punched in the wood chip scrapers (9).

3. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: a first supporting chain wheel set (3) is mounted on the rinsing water tank (6), and the first supporting chain wheel set (3) supports a chain at the upper part of the first annular scraper chain set (2); a chain at the lower part of the first scraper chain group (2) is provided with a pressing chain wheel group (4), so that the wood chip scraper at the bottom of the annular first scraper chain group (2) is tightly attached to the pore plate (30).

4. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: the rinsing water tank is a steel structure welding piece, an upper inlet of the feeding conical hopper (13) is circular, and a lower outlet of the feeding conical hopper is square.

5. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: the scraper slag extractor adopts a scraper chain group II (29) with a circular chain structure to drive a slag-extracting scraper (28) to transmit, the slag-extracting scraper (28) is formed by welding steel plates and is welded on the scraper chain group II (29), and a chain-supporting wheel group II (24) is arranged on the side surface of a slag extractor groove (23); the oblique line section inclination angle of the slag extractor groove (23) is 50 degrees, and a steering wheel set (22) is arranged at the turning position of the straight line section and the oblique line section.

6. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: the oblique line section of the slag extractor groove (23) is welded on the rack (8) through a connecting piece (32), a cycloidal pin gear speed reducing motor (25) is installed on the connecting piece (32), the cycloidal pin gear speed reducing motor (25) is connected with a driving wheel set (27) through a transmission chain wheel set (26), a driving scraper chain set II (29) is arranged, and a slag extractor scraper (28) is in close contact with a bottom plate of the slag extractor groove (23).

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